Building Inspector Catches Unapproved Changes to the Plans

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HVAC and plumbing engineering is a building code driven science. The new 2013 California Building Codes, including the new CalGreen Code, are becoming voluminous and ever more complex. As a result our engineering designs must become more complex – and our permit documents more exacting.

This requires HVAC and Plumbing design engineers to become ever-more diligent in their documentation. Inevitably, certain things don’t get done to the satisfaction of the local building inspector.

You know you’re in trouble when…

About the Author
Gary Welch is a principal of 15000 Inc. with over 40 years experience in the field of HVAC, plumbing and controls system design. He can be reached at